﻿// --------------------------------------------------------------------------------------------------------------------
// <copyright file="RecordFormatting.cs" company="Rolosoft Ltd">
//   © Rolosoft Ltd
// </copyright>
// --------------------------------------------------------------------------------------------------------------------

#region License

// Copyright 2013 Rolosoft Ltd
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#endregion

namespace Rsft.Net.Dns.Extensions
{
    using System;

    /// <summary>
    /// The record formatting.
    /// </summary>
    public static class RecordFormatting
    {
        #region Public Methods and Operators

        /// <summary>
        /// The remove trailing dot.
        /// </summary>
        /// <param name="recordValue">
        /// The record string.
        /// </param>
        /// <returns>
        /// The <see cref="string"/>.
        /// </returns>
        public static string RemoveTrailingDot(string recordValue)
        {
            if (string.IsNullOrEmpty(recordValue) || recordValue.Length <= 1)
            {
                return recordValue;
            }

            if (recordValue.EndsWith(".", StringComparison.OrdinalIgnoreCase))
            {
                var c = new[] { '.' };

                return recordValue.TrimEnd(c);
            }

            return recordValue;
        }

        #endregion
    }
}